﻿/* Copyright (c) 2010 EPiServer AB
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
using System;
using System.Web.UI;
using EPiServer.Core;
using EPiServer.Web.WebControls;

namespace EPiServer.Municipality.Web.UI.WebControls {
    /// <summary>
    /// Use this to create an html heading element.
    /// </summary>
    /// <remarks>
    /// </remarks>
    public class Hn : Property {
        /* *******************************************************************
         *  Properties 
         * *******************************************************************/
        #region public string Heading

        /// <summary>
        /// Get/Sets the Heading of the Hn
        /// </summary>
        /// <value></value>
        public string Heading {
            get { return (string)(ViewState["Heading"] ?? "h1"); }
            set { ViewState["Heading"] = value; }
        }

        #endregion
        #region public string TranslatedFallback

        /// <summary>
        /// Get/Sets the TranslatedFallback of the Hn
        /// </summary>
        /// <value></value>
        public string TranslatedFallback {
            get { return (string)(ViewState["TranslatedFallback"]); }
            set { ViewState["TranslatedFallback"] = value; }
        }

        #endregion
        #region public bool? AddExtraMarkup

        /// <summary>
        /// Get/Sets the AddExtraMarkup of the Hn
        /// </summary>
        /// <value></value>
        public bool? AddExtraMarkup {
            get { return (bool?)(ViewState["AddExtraMarkup"] ?? false); }
            set { ViewState["AddExtraMarkup"] = value; }
        }

        #endregion
        /* *******************************************************************
        *  Methods 
        * *******************************************************************/
        #region protected override void Render(HtmlTextWriter output)
        /// <summary>
        /// 
        /// </summary>
        /// <param name="output"></param>
        protected override void Render(HtmlTextWriter output) {
            if (InnerProperty != null) {
                EnsurePropertyControlsCreated();
                if (InnerProperty.Value != null || !String.IsNullOrEmpty(TranslatedFallback)) {

                    output.WriteBeginTag(Heading);
                    if (!String.IsNullOrEmpty(CssClass))
                        output.WriteAttribute("class", CssClass);
                    output.Write(HtmlTextWriter.TagRightChar);

                    if (AddExtraMarkup.GetValueOrDefault())
                        output.RenderBeginTag("span");

                    if (InnerProperty.Value != null) {
                        if (InnerProperty is PropertyString) {
                            string value = InnerProperty.ToWebString().Trim();
                            string[] fragments = InnerProperty.ToWebString().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
                            if (fragments.Length > 2) {
                                //Get rid off widows.
                                value = string.Empty;
                                for (int i = 0; i < fragments.Length; i++) {
                                    if (i == fragments.Length - 2 && fragments[i + 1].Length <= 10)
                                        value += fragments[i] + "&nbsp;";
                                    else
                                        value += fragments[i] + " ";
                                }
                            }
                            output.Write(value.Trim());
                        } else {
                            base.RenderChildren(output);
                        }
                    } else if (!String.IsNullOrEmpty(TranslatedFallback)) {
                        output.Write(LanguageManager.Instance.Translate(TranslatedFallback));
                    }

                    if (AddExtraMarkup.GetValueOrDefault())
                        output.RenderEndTag();
                    output.WriteEndTag(Heading);
                }
            } else if (string.IsNullOrEmpty(PropertyName.Trim())) {
                output.WriteLine("[Error: PropertyName is not set.]");
            } else if (((PageBase)Page).CurrentPage == null) {
                if (DisplayMissingMessage)
                    output.WriteLine("[Error: Property is contained in a page/control/template that does not have a current page.]");
            } else if (((PageBase)Page).CurrentPage.Property[PropertyName] == null) {
                if (DisplayMissingMessage) {
                    output.WriteLine("[Error: No property \"{0}\".]", PropertyName);
                }
            } else
                output.WriteLine("[Error: Unknown error.]");
        }
        #endregion
    }
}